When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is

When a constant discharge 2.91 litres/sec. was obtained in a pumping t

1.	When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is
A.	0.0005 cm/sec
B.	0.001 cm/sec
C.	0.002 cm/sec
D.	0.01 cm/sec.
Answer» C. 0.002 cm/sec